HTTP/1.1 200 OK
Connection: close
Date: Sat, 16 Feb 2013 04:22:58 GMT
Server: Microsoft-IIS/6.0
X-Powered-By: ASP.NET
Content-Type: text/html
Content-Length: 683
Cache-Control: private, must-revalidate, max-age=0
Expires: Tue, 01 Jan 1980 00:00:00 GMT

<ccTxnResponseV1 xmlns="http://www.optimalpayments.com/creditcard/xmlschema/v1">
  <confirmationNumber>12345678</confirmationNumber>
  <decision>ERROR</decision>
  <code>3500</code>
  <actionCode>M</actionCode>
  <description>The confirmation number included in this request could not be found.</description>
  <detail>
    <tag>InternalResponseCode</tag>
    <value>250</value>
  </detail>
  <detail>
    <tag>SubErrorCode</tag>
    <value>0</value>
  </detail>
  <detail>
    <tag>InternalResponseDescription</tag>
    <value>Authorization transaction not found for reversal.</value>
  </detail>
  <txnTime>2013-04-17T08:35:42.302-04:00</txnTime>
  <duplicateFound>false</duplicateFound>
</ccTxnResponseV1>